﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class ArrayUtil
    {
        public static Boolean Ddd(int[] b)
        {
            Boolean falg;
            if (b==null||b.Length==0)
            {
                falg = true;
            }
            else
            {
                falg = false;
            }
            return falg;
        }
    }
}
